Remove icon_cache from the backup

Problem
=======

* Icon cache just takes up space in the resulting backup

Solution
========

* Remove it from the backup

README.md

@@ -13,4 +13,4 @@
 * Run `aws configure`
 * Symlink unit files to `/etc/systemd/system`
 * Run `systemctl enable` on units and slices
-* Run `systemctl start` on timers 
+* Run `systemctl start` on timers

backup-bitwarden.sh

@@ -43,7 +43,9 @@ cp -r "${ROOT_DIR}/data" "./data"
 cp "${ROOT_DIR}/.env" "./.env"
 cp "${ROOT_DIR}/bitwarden.exceede.com.conf" "./bitwarden.exceede.com.conf"
 
-sum=$(find . -type f -not -name "${dumpfile}" -and -not -path "./data/icon_cache/*" -exec md5sum {} + | LC_ALL=C sort | md5sum | cut -d ' ' -f 1)
+rm -rf ./data/icon_cache
+
+sum=$(find . -type f -not -name "${dumpfile}" -exec md5sum {} + | LC_ALL=C sort | md5sum | cut -d ' ' -f 1)
 
 rm sorted.sql